On 12/22/2011 06:56 AM, David Schuller wrote:
Fedora releases are supported for about a year from initial release.Red Hat Enterprise, Centos and Scientific Linux are all supported for about 5 years.
Ubuntu has long term support distributions as well: "Starting with Ubuntu 12.04 LTS [...] versions will receive 5 years support" Previous versions were 3 years for desktop and 5 years for server. cf. https://wiki.ubuntu.com/LTS Regards, F.